From 9899b982a7e95d669a46f06c22b829035f57f741 Mon Sep 17 00:00:00 2001
From: Krad <kradchen123@163.com>
Date: Tue, 25 Oct 2022 14:50:28 +0800
Subject: [PATCH] Add orientation marker size and position logic.

---
 .../Viewer/VolumeRenderingViewer.cpp          | 30 +++++++++----------
 .../Rendering/Viewer/VolumeRenderingViewer.h  |  1 +
 2 files changed, 15 insertions(+), 16 deletions(-)

diff --git a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
index bfd3bc0..2f86ff9 100644
--- a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
+++ b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
@@ -131,6 +131,10 @@ VolumeRenderingViewer::~VolumeRenderingViewer() {
         this->InteractorStyle->Delete();
         this->InteractorStyle = nullptr;
     }
+    if (this->OrientationMarker) {
+        this->OrientationMarker->Delete();
+        this->OrientationMarker = nullptr;
+    }
 }
 
 void VolumeRenderingViewer::InstallPipeline() {
@@ -159,11 +163,6 @@ void VolumeRenderingViewer::InstallPipeline() {
         Renderer->AddObserver(vtkCommand::EndEvent,this, &VolumeRenderingViewer::renderAnnotation);
         this->Renderer->SetBackground(0.0, 0.0, 0.0);
     }
-    if (this->OrientationMarker && this->OrientationMarker->GetOrientationMarker()){
-        this->OrientationMarker->SetInteractor(this->Interactor);
-        this->OrientationMarker->EnabledOn();
-        this->OrientationMarker->InteractiveOn();
-    }
 }
 
 void VolumeRenderingViewer::UnInstallPipeline() {
@@ -188,11 +187,6 @@ void VolumeRenderingViewer::UnInstallPipeline() {
         this->Interactor->SetInteractorStyle(nullptr);
         this->Interactor->SetRenderWindow(nullptr);
     }
-    if (this->OrientationMarker){
-        this->OrientationMarker->SetInteractor(nullptr);
-        this->OrientationMarker->EnabledOff();
-        this->OrientationMarker->InteractiveOff();
-    }
 }
 
 void VolumeRenderingViewer::SetupInteractor(vtkRenderWindowInteractor * arg) {
@@ -264,6 +258,11 @@ void VolumeRenderingViewer::Render() {
             RenderWindow->SetDesiredUpdateRate(Interactor->GetDesiredUpdateRate());
             Interactor->InvokeEvent(vtkCommand::StartInteractionEvent, nullptr);
             SetViewDirection(0);
+            this->OrientationMarker->RemoveAllObservers();
+            this->OrientationMarker->SetInteractor(this->Interactor);
+            this->OrientationMarker->EnabledOn();
+            this->OrientationMarker->InteractiveOff();
+            this->RenderWindow->AddObserver(vtkCommand::WindowResizeEvent, this, &VolumeRenderingViewer::resizeOrientationMarker);
             Render();
         }
         Interactor->Render();
@@ -401,7 +400,6 @@ void VolumeRenderingViewer::SetCoordsTransformMatrix(ExtendMedicalImagePropertie
             //冠状面
             case 1:
             {
-                vtkErrorMacro("coronal")
                 cube->SetZFaceTextRotation(-90);
                 cube->SetXFaceTextRotation(90);
                 cube->SetYFaceTextRotation(180);
@@ -410,7 +408,6 @@ void VolumeRenderingViewer::SetCoordsTransformMatrix(ExtendMedicalImagePropertie
             //矢状面
             case 0:
             {
-                vtkErrorMacro("sagittal")
                 cube->SetZFaceTextRotation(-90);
                 cube->SetXFaceTextRotation(90);
                 cube->SetYFaceTextRotation(-90);
@@ -419,7 +416,6 @@ void VolumeRenderingViewer::SetCoordsTransformMatrix(ExtendMedicalImagePropertie
             case 2:
             default:
             {
-                vtkErrorMacro("transverse")
                 cube->SetZFaceTextRotation(-90);
             }
         }
@@ -428,9 +424,6 @@ void VolumeRenderingViewer::SetCoordsTransformMatrix(ExtendMedicalImagePropertie
         cube->GetTextEdgesProperty()->SetLineWidth(2.0);
         cube->GetCubeProperty()->SetColor(.0,.0,1.0);
         OrientationMarker->SetOrientationMarker(cube);
-        this->OrientationMarker->SetInteractor(this->Interactor);
-        this->OrientationMarker->EnabledOn();
-        this->OrientationMarker->InteractiveOn();
     }
     //change to WToM
     OrientationMatrix->Invert();
@@ -542,3 +535,8 @@ void VolumeRenderingViewer::ResetMaximumImageSampleDistance() {
         mapper->SetMaximumImageSampleDistance(4.0);
     }
 }
+
+void VolumeRenderingViewer::resizeOrientationMarker() {
+    int *size = this->Renderer->GetSize();
+    this->OrientationMarker->SetViewport(1.0-(80.0/(double)size[0]),1.0-(80.0/(double)size[1]),1.0,1.0);
+}
diff --git a/src/src/Rendering/Viewer/VolumeRenderingViewer.h b/src/src/Rendering/Viewer/VolumeRenderingViewer.h
index 3db8cee..9125d48 100644
--- a/src/src/Rendering/Viewer/VolumeRenderingViewer.h
+++ b/src/src/Rendering/Viewer/VolumeRenderingViewer.h
@@ -127,6 +127,7 @@ private:
         int a;
         return GetDirectionChar(directionVector, a);
     }
+    void resizeOrientationMarker();
 };